<template>
  <div class="app-container">

    <el-steps :active="3" process-status="wait" align-center style="margin-bottom: 40px;">
      <el-step title="填写课程基本信息"/>
      <el-step title="创建课程大纲"/>
      <el-step title="最终发布"/>
    </el-steps>

    <el-card class="box-card">

      <!-- 数据显示 -->
      <div class="ccInfo">
        <img :src="coursePublish.cover">
        <div class="main">
          <h2>{{ coursePublish.courseTitle }}</h2>
          <p class="gray"><span>共{{ coursePublish.lessonNum }}课时</span></p>
          <p><span>所属分类：{{ coursePublish.subjectLevelOne }} — {{ coursePublish.subjectLevelTwo }}</span></p>
          <p>课程讲师：{{ coursePublish.teacherName }}</p>
          <h3 class="red">￥{{ coursePublish.price }}</h3>
        </div>
      </div>

      <el-form label-width="120px" style="text-align: center; padding-top: 50px; padding-right: 150px">
        <el-form-item>
          <el-button @click="previous">上一步</el-button>
          <el-button :disabled="saveBtnDisabled" type="primary" @click="save">发布课程</el-button>
        </el-form-item>
      </el-form>
    </el-card>
  </div>
</template>

<script>
import course from "@/api/edu/course";

export default {
  data() {
    return {
      saveBtnDisabled: false,
      courseId: '',
      coursePublish: {},
    }
  },
  created() {
    if (this.$route.params && this.$route.params.id) {
      this.courseId = this.$route.params.id
    }
    this.getPublishCourseInfo()
  },
  methods: {
    getPublishCourseInfo() {
      console.log(this.courseId)
      course.getPublishCourseInfo(this.courseId)
        .then(res => {
          this.coursePublish = res.data.publishCourse
        })
      console.log(this.coursePublish)
    },
    previous() {
      this.$router.push({path: '/course/chapter/' + this.courseId})
    },
    save() {
      course.publishCourse(this.courseId)
        .then(res => {
          // 提示信息
          this.$message({
            type: 'success',
            message: '添加课程信息成功'
          })
          // 跳转到列表页面
          this.$router.push({path: '/course/list'})
        })
    }
  }
}
</script>

<style scoped>
.ccInfo {
  width: 70%;
  margin: auto;
  background: #f5f5f5;
  padding: 20px;
  overflow: hidden;
  border: 1px dashed #DDD;
  position: relative;
}

.ccInfo img {
  background: #d6d6d6;
  width: 500px;
  height: 278px;
  display: block;
  float: left;
  border: none;
}

.ccInfo .main {
  margin-left: 520px;
}

.ccInfo .main h2 {
  font-size: 28px;
  margin-bottom: 30px;
  line-height: 1;
  font-weight: normal;
}

.ccInfo .main p {
  margin-bottom: 10px;
  word-wrap: break-word;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}

.ccInfo .main p {
  margin-bottom: 10px;
  word-wrap: break-word;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}

.ccInfo .main h3 {
  left: 540px;
  bottom: 20px;
  line-height: 1;
  font-size: 28px;
  color: #d32f24;
  font-weight: normal;
  position: absolute;
}
</style>
